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An LED TV is an LCD TV, as the LCD technology is same in both the cathode fluorescent lamp lit TVs and the LED lit TVs. An LED TV is nothing but a specific type of LCD TV. The appropriate name would be “LED-backlit LCD TV.

The LED lighting of the picture results in a sharper picture, more energy efficient using about 40% less electricity than a standard LCD TV, the LED backlighting system has no delay or warm up time, and the LED lit TVs are much thinner than the traditional LCD or plasma TVs.

In short, LED TVs are nothing but LCD panels, but instead of using the fluorescent (CCFL) backlight lamp, they make use of an LED backlight.

1366 x 768 [WXGA]: There are 2 resolutions for HD broadcasts
1) 720p = resolution of 1280 x720 pixels ~ 1 megapixel
2) 1080i -= resolution of 1920 x 1080 pixels ~ 2 megapixels
There is no 3rd resolution of 1366 x 768 in any HD source. A 1366 x 768 image is ALWAYS SCALED
It is all about firmware scaling engine ( video processing chips ) in the display.
A huge amount of processing has to happen to make 720 into 768 or 1080 down to 768. In a Good display with a great processing chipset, the 1080 incoming resoultion is 2 times what the display can show, and since it has twice the information it needs, the 1366 display can really do a great job.
Some displays do a fantastic job of resizing and de-interlacing. Some 1366 displays do such a fuzzy job of scaling that the image seems about the same as regular TV, just bigger and wider, not Higher in Definition.

An LED TV is an LCD TV, as the LCD technology is same in both the cathode fluorescent lamp lit TVs and the LED lit TVs. An LED TV is nothing but a specific type of LCD TV. The appropriate name would be “LED-backlit LCD TV.

The LED lighting of the picture results in a sharper picture, more energy efficient using about 40% less electricity than a standard LCD TV, the LED backlighting system has no delay or warm up time, and the LED lit TVs are much thinner than the traditional LCD or plasma TVs.

In short, LED TVs are nothing but LCD panels, but instead of using the fluorescent (CCFL) backlight lamp, they make use of an LED backlight.

1366 x 768 [WXGA]: There are 2 resolutions for HD broadcasts
1) 720p = resolution of 1280 x720 pixels ~ 1 megapixel
2) 1080i -= resolution of 1920 x 1080 pixels ~ 2 megapixels
There is no 3rd resolution of 1366 x 768 in any HD source. A 1366 x 768 image is ALWAYS SCALED
It is all about firmware scaling engine ( video processing chips ) in the display.
A huge amount of processing has to happen to make 720 into 768 or 1080 down to 768. In a Good display with a great processing chipset, the 1080 incoming resoultion is 2 times what the display can show, and since it has twice the information it needs, the 1366 display can really do a great job.
Some displays do a fantastic job of resizing and de-interlacing. Some 1366 displays do such a fuzzy job of scaling that the image seems about the same as regular TV, just bigger and wider, not Higher in Definition.

HyperReal Engine: The driving force behind the amazing colour and realistic images of Samsung’s new LCD TVs is the innovative HyperReal™ Engine. By optimising performance and image enhancement, the Samsung HyperReal™ Engine provides the most vibrant and crystal-clear Full HD images.

Down Firing + Full Range: actually the reason why they keep it down firing is for the sound to bounce off the surface on which the TV is placed and gain some weight and body (similar to the speakers on your phones etc.,), this of course becomes pointless if you wall mount it, but when it's placed on a stand these speakers appear to work quite well and are perhaps marginally superior to the regular flat panel TV speakers.

Wifi direct feature enable you to make a connection directly with Wi-Fi devices without any access point (Device that allows a Wi-Fi compliant device to connect to a wired network). Your device can create a group connection or individual connection.